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Weighing just 49g, this ultra-light gaming mouse offers unmatched agility while maintaining perfect balance.
At its core, the Razer Focus Pro 50K Optical Sensor Gen-3 provides elite-level tracking with 50,000 DPI, 930 IPS, and 90G acceleration, enhanced by Frame Sync technology for ultra-precise, real-time responsiveness.
Game longer with up to 180 hours battery life (1000Hz) or 45 hours (8000Hz), making it ideal for extended sessions and competitive play.
Engineered with and trusted by esports professionals, the Viper V4 Pro is built for speed, precision, and endurance—everything you need to dominate every match.
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RAZER VIPER V4 PRO
FOR THE PRO
The choice of champions has a new successor. Enter the Razer Viper V4 Pro—fully upgraded with our latest mouse technologies, designed with and trusted by pros.
"ITS RESPONSIVEMESS IS EXACTLY WHAT I NEED FOR HIGH STAKES MATCHES."
FAKER
6-TIME LEAGUE OF LEGENDS WORLD CHAMPION
WHAT RESPONSIVE TRULY MEANS TO PROS
Speed That Never Fails.
For the best players in the world, responsiveness isn’t just about speed—it’s about certainty. Every click, every micro adjustment, every flick must translate instantly and predictably in-game.
The Viper V4 Pro delivers that reliability with a familiar, competition-trusted feel the moment you pick it up.
FASTER WIRELESS PLATFORM
Push your play with the Razer HyperSpeed Wireless Gen-2 system—over 60% more efficient*, enabling true 8000 Hz polling and slashing latency by 55% versus the previous gen—delivering more consistent inputs so you can react with absolute precision in-game.
* Under standard test conditions
LOWER MOTION LATENCY
Achieving motion latency as low as 0.36 ms—up to 2.5× ahead of equivalent competitors. The Viper V4 Pro keeps your aim perfectly aligned to deliver the ultimate competitive edge.
LOWER CLICK LATENCY
Engineered for peak competitive performance, the Viper V4 Pro holds a decisive lead in click responsiveness. Its mechanical side buttons boast 5.0× lower latency, ensuring faster reactions across every crucial inputs.
#1 TRUSTED SHAPE, NOW EVEN LIGHTER
More Agile Than Ever.
A pro-trusted shape, now even lighter at 49 g*, with no compromise to structure or balance—delivering agility that adapts instantly to any grip style.
*50 g for White Edition
ALL-OPTICAL SENSOR,SCROLL
WHEEL AND SWITCHES
ITS RESPONSIVEMESS IS EXACTLY WHAT I NEED FOR HIGH STAKES MATCHES.
ZELLSIS
VALORANT MASTERS MADRID 2024 CHAMPION
ALL-OPTICAL SENSOR, SCROLL
WHEEL AND SWITCHES
ADVANCED SOFTWARE CUSTOMISATION
Tuned for Peak Precision.
DYNAMIC SENSITIVITY
Enable deeper control of your DPI output and mouse input to best suit your playstyle. 
ROTATION TOOL
Adjust mouse orientation for horizontal swipes. 
1-DPI STEP ADJUSTMENTS
Achieve pixel-perfect sensitivity with single DPI step increments. 
SENSITIVITY MATCHER
Precisely port over the DPI settings of your current mouse to the Viper V4 Pro. 
ASYMMETRIC CUT-OFF
Individually set a lift-off and landing distance from up to 26 levels. 
SMART TRACKING
Auto-calibrate to maintain a consistent lift-off distance on all surfaces.
RAZER™ OPTICAL MOUSE SWITCHES GEN-4
Top-tier Durability, Tactility, and Speed.
RAZER™ OPTICAL SCROLL WHEEL
3.3× More Reliable Than Mechanical Designs.
MORE FEATURES VALIDATED BY PROS
SMOOTH-TOUCH FINISH
Coated with a finish that feels soft and smooth, yet remains easy to grip.
SMART POLLING RATE SWITCHER
Coated with a finish that feels soft and smooth, yet remains easy to grip.
UP TO 180 HOURS OF BATTERY LIFE
Power through your most intense scrimming and tournament schedule.
RAZER SYNAPSE WEB
Take full control instantly right from your browser. Fine-tune settings and switch on-board profiles wherever you play.
6 PROGRAMMABLE CONTROLS
From essential commands to complex macros, enjoy a greater degree of control at your fingertips.
QUICK ONBOARD ADJUSTMENTS
Change DPI or polling rate on-the-fly for unfair competitive edge in game.
UNLOCK THE ULTIMATE PRO COMBO
Pair your Razer Viper V4 Pro with the Razer Gigantus V2 Pro—the perfect soft esports gaming mouse mats. With five speed ratings, you’ll always find the ideal glide and control for your playstyle. Experience a true synergy that takes your performance to the next level.
FAQs
What is the form factor of the Razer Viper V4 Pro?
The Razer Viper V4 Pro has a right-handed symmetrical shape optimized for Claw and Fingertip users. Its lightweight, pro-trusted profile makes it ideal for competitive play where rapid directional control and micro-adjustments are critical.
Who is the Razer Viper V4 Pro ideal for?
The Viper V4 Pro is built for competitive players who rely on rapid directional control, precise tap-fire timing, and continuous micro-adjustments in fast-paced shooters. Perfect for titles where millisecond-level reactions decide the outcome.
Does the Razer Viper V4 Pro have onboard memory?
Yes. It features one onboard profile that saves your last-used Synapse settings—DPI stages, button mappings, and performance preferences—so you can compete consistently anywhere.
What does the button at the bottom of the Razer Viper V4 Pro do?
The button is programmable on Synapse, but by default, it toggles power (press and hold for 2 seconds to ON/OFF) and DPI (press and release). The factory DPI settings are set at 400, 800, 1600 (default), 3200, and 6400.
How do I test the Razer Viper V4 Pro’s polling rate?
You can test polling rate using our official tool at here. For best results, plug the HyperPolling Wireless Dongle directly into your PC, close background apps, and move the mouse in circular motions during testing.
How do I optimize my mouse for the best accuracy in gaming?
To improve accuracy, consider disabling the "Enhance pointer precision" option in your Windows mouse settings, as this feature can affect mouse sensitivity. Additionally, you can further optimize performance using the Razer Synapse app.
What do the 3 LED indicators on my Razer HyperSpeed Wireless Gen-2 dongle show?
From left to right, they indicate battery life, connection status and polling rate by default. However, you can configure each LED via Synapse to indicate battery level, connection status, polling rate, or DPI stages in any order you prefer, or switch it off.
